Guest: Joshua Foer, journalist and author of "Moonwalking with Einstein: The Art and Science of Remembering Everything." In the age of mobile gadgetry, is a good memory less important? Why search the mind for an answer, when it can be found instantly on Google? This is a far cry from methods employed by ancient orators, who memorized long speeches, or medieval scholars who could recite entire books. Do we all have the capacity to remember everything if we so choose?